package main

import (
	"fmt"
	"math/cmplx"
)

var (
	ToBe bool = false
	MaxInt uint64 = 1<<64-1
	z complex128 = cmplx.Sqrt(-5+12i)
)

func main(){
	const f="%T(%v)\n"
	fmt.Printf(f,ToBe,ToBe)
	fmt.Printf(f,MaxInt,MaxInt)
	fmt.Printf(f,z,z)
}